[PATCH v8 4/6] test_ring: add lock-free ring autotest

[Gage Eads <gage.eads@intel.com>]

ring_nb_autotest re-uses the ring_autotest code by wrapping its top-level
function with one that takes a 'flags' argument.

Signed-off-by: Gage Eads <gage.eads@intel.com>
---
 app/test/test_ring.c | 61 ++++++++++++++++++++++++++++++++--------------------
 1 file changed, 38 insertions(+), 23 deletions(-)

diff --git a/app/test/test_ring.c b/app/test/test_ring.c
index aaf1e70ad..400b1bffd 100644
--- a/app/test/test_ring.c
+++ b/app/test/test_ring.c
@@ -1,5 +1,5 @@
 /* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2010-2014 Intel Corporation
+ * Copyright(c) 2010-2019 Intel Corporation
  */
 
 #include <string.h>
@@ -601,18 +601,20 @@ test_ring_burst_basic(struct rte_ring *r)
  * it will always fail to create ring with a wrong ring size number in this function
  */
 static int
-test_ring_creation_with_wrong_size(void)
+test_ring_creation_with_wrong_size(unsigned int flags)
 {
 	struct rte_ring * rp = NULL;
 
 	/* Test if ring size is not power of 2 */
-	rp = rte_ring_create("test_bad_ring_size", RING_SIZE + 1, SOCKET_ID_ANY, 0);
+	rp = rte_ring_create("test_bad_ring_size", RING_SIZE + 1,
+			     SOCKET_ID_ANY, flags);
 	if (NULL != rp) {
 		return -1;
 	}
 
 	/* Test if ring size is exceeding the limit */
-	rp = rte_ring_create("test_bad_ring_size", (RTE_RING_SZ_MASK + 1), SOCKET_ID_ANY, 0);
+	rp = rte_ring_create("test_bad_ring_size", (RTE_RING_SZ_MASK + 1),
+			     SOCKET_ID_ANY, flags);
 	if (NULL != rp) {
 		return -1;
 	}
@@ -623,11 +625,11 @@ test_ring_creation_with_wrong_size(void)
  * it tests if it would always fail to create ring with an used ring name
  */
 static int
-test_ring_creation_with_an_used_name(void)
+test_ring_creation_with_an_used_name(unsigned int flags)
 {
 	struct rte_ring * rp;
 
-	rp = rte_ring_create("test", RING_SIZE, SOCKET_ID_ANY, 0);
+	rp = rte_ring_create("test", RING_SIZE, SOCKET_ID_ANY, flags);
 	if (NULL != rp)
 		return -1;
 
@@ -639,10 +641,10 @@ test_ring_creation_with_an_used_name(void)
  * function to fail correctly
  */
 static int
-test_create_count_odd(void)
+test_create_count_odd(unsigned int flags)
 {
 	struct rte_ring *r = rte_ring_create("test_ring_count",
-			4097, SOCKET_ID_ANY, 0 );
+			4097, SOCKET_ID_ANY, flags);
 	if(r != NULL){
 		return -1;
 	}
@@ -665,7 +667,7 @@ test_lookup_null(void)
  * it tests some more basic ring operations
  */
 static int
-test_ring_basic_ex(void)
+test_ring_basic_ex(unsigned int flags)
 {
 	int ret = -1;
 	unsigned i;
@@ -679,7 +681,7 @@ test_ring_basic_ex(void)
 	}
 
 	rp = rte_ring_create("test_ring_basic_ex", RING_SIZE, SOCKET_ID_ANY,
-			RING_F_SP_ENQ | RING_F_SC_DEQ);
+			RING_F_SP_ENQ | RING_F_SC_DEQ | flags);
 	if (rp == NULL) {
 		printf("test_ring_basic_ex fail to create ring\n");
 		goto fail_test;
@@ -737,22 +739,22 @@ test_ring_basic_ex(void)
 }
 
 static int
-test_ring_with_exact_size(void)
+test_ring_with_exact_size(unsigned int flags)
 {
 	struct rte_ring *std_ring = NULL, *exact_sz_ring = NULL;
-	void *ptr_array[16];
+	void *ptr_array[1024];
 	static const unsigned int ring_sz = RTE_DIM(ptr_array);
 	unsigned int i;
 	int ret = -1;
 
 	std_ring = rte_ring_create("std", ring_sz, rte_socket_id(),
-			RING_F_SP_ENQ | RING_F_SC_DEQ);
+			RING_F_SP_ENQ | RING_F_SC_DEQ | flags);
 	if (std_ring == NULL) {
 		printf("%s: error, can't create std ring\n", __func__);
 		goto end;
 	}
 	exact_sz_ring = rte_ring_create("exact sz", ring_sz, rte_socket_id(),
-			RING_F_SP_ENQ | RING_F_SC_DEQ | RING_F_EXACT_SZ);
+		RING_F_SP_ENQ | RING_F_SC_DEQ | RING_F_EXACT_SZ | flags);
 	if (exact_sz_ring == NULL) {
 		printf("%s: error, can't create exact size ring\n", __func__);
 		goto end;
@@ -770,7 +772,7 @@ test_ring_with_exact_size(void)
 	}
 	/*
 	 * check that the exact_sz_ring can hold one more element than the
-	 * standard ring. (16 vs 15 elements)
+	 * standard ring. (1024 vs 1023 elements)
 	 */
 	for (i = 0; i < ring_sz - 1; i++) {
 		rte_ring_enqueue(std_ring, NULL);
@@ -808,17 +810,17 @@ test_ring_with_exact_size(void)
 }
 
 static int
-test_ring(void)
+__test_ring(unsigned int flags)
 {
 	struct rte_ring *r = NULL;
 
 	/* some more basic operations */
-	if (test_ring_basic_ex() < 0)
+	if (test_ring_basic_ex(flags) < 0)
 		goto test_fail;
 
 	rte_atomic32_init(&synchro);
 
-	r = rte_ring_create("test", RING_SIZE, SOCKET_ID_ANY, 0);
+	r = rte_ring_create("test", RING_SIZE, SOCKET_ID_ANY, flags);
 	if (r == NULL)
 		goto test_fail;
 
@@ -837,27 +839,27 @@ test_ring(void)
 		goto test_fail;
 
 	/* basic operations */
-	if ( test_create_count_odd() < 0){
+	if (test_create_count_odd(flags) < 0) {
 		printf("Test failed to detect odd count\n");
 		goto test_fail;
 	} else
 		printf("Test detected odd count\n");
 
-	if ( test_lookup_null() < 0){
+	if (test_lookup_null() < 0) {
 		printf("Test failed to detect NULL ring lookup\n");
 		goto test_fail;
 	} else
 		printf("Test detected NULL ring lookup\n");
 
 	/* test of creating ring with wrong size */
-	if (test_ring_creation_with_wrong_size() < 0)
+	if (test_ring_creation_with_wrong_size(flags) < 0)
 		goto test_fail;
 
 	/* test of creation ring with an used name */
-	if (test_ring_creation_with_an_used_name() < 0)
+	if (test_ring_creation_with_an_used_name(flags) < 0)
 		goto test_fail;
 
-	if (test_ring_with_exact_size() < 0)
+	if (test_ring_with_exact_size(flags) < 0)
 		goto test_fail;
 
 	/* dump the ring status */
@@ -873,4 +875,17 @@ test_ring(void)
 	return -1;
 }
 
+static int
+test_ring(void)
+{
+	return __test_ring(0);
+}
+
+static int
+test_lf_ring(void)
+{
+	return __test_ring(RING_F_LF);
+}
+
 REGISTER_TEST_COMMAND(ring_autotest, test_ring);
+REGISTER_TEST_COMMAND(ring_lf_autotest, test_lf_ring);
-- 
2.13.6